Add a button to exit managed mode.

chrome/browser/ui/webui/ntp/ntp_login_handler.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/ntp/ntp_login_handler.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/metrics/histogram.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
+#include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/managed_mode.h"
 #include "chrome/browser/prefs/pref_notifier.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/profiles/profile_metrics.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
@@ skipping 105 matching lines @@
     return;
 
   if (username.empty()) {
 #if !defined(OS_ANDROID)
     // The user isn't signed in, show the sync promo.
     if (SyncPromoUI::ShouldShowSyncPromo(profile)) {
       browser->ShowSyncSetup(SyncPromoUI::SOURCE_NTP_LINK);
       RecordInHistogram(NTP_SIGN_IN_PROMO_CLICKED);
     }
 #endif
-  } else if (args->GetSize() == 4) {
+  } else if (args->GetSize() == 4 &&
+             browser->command_updater()->IsCommandEnabled(
+                IDC_SHOW_AVATAR_MENU)) {

[Dan Beam, 2013/08/12 19:40:28]

bauerb@: ^ why was this check added?  this means that clicking the signed in
username no-ops when chrome has only 1 profile.  see crbug.com/269657 for more
context and crrev.com/22606003 for the proposed solution.

     // The user is signed in, show the profiles menu.
     double x = 0;
     double y = 0;
     double width = 0;
     double height = 0;
     bool success = args->GetDouble(0, &x);
     DCHECK(success);
     success = args->GetDouble(1, &y);
     DCHECK(success);
     success = args->GetDouble(2, &width);
@@ skipping 115 matching lines @@
           l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_NAME)));
   values->SetString("login_status_url",
       hide_sync ? std::string() : chrome::kSyncLearnMoreURL);
   values->SetString("login_status_advanced",
       hide_sync ? string16() :
       l10n_util::GetStringUTF16(IDS_SYNC_PROMO_NTP_BUBBLE_ADVANCED));
   values->SetString("login_status_dismiss",
       hide_sync ? string16() :
       l10n_util::GetStringUTF16(IDS_SYNC_PROMO_NTP_BUBBLE_OK));
 }